RATHNAM P V. (1987). RATHNAM`S COSTING THEORY. KITAB MAHAL.
Chicago-čujuhus (17. p.)RATHNAM P V. RATHNAM`S COSTING THEORY. ALLAHABAD: KITAB MAHAL, 1987.
MLA-čujuhus (9. p.)RATHNAM P V. RATHNAM`S COSTING THEORY. KITAB MAHAL, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.